/* ========================================================================
 * Bootstrap: carousel.js v3.3.4
 * http://getbootstrap.com/javascript/#carousel
 * ========================================================================
 * Copyright 2011-2015 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * ======================================================================== */
+function ($) {
    'use strict';
    var Carousel = function (element, options) {
        this.$element    = $(element)
        this.$indicators = this.$element.find('.carousel-indicators')
        this.options     = options
        this.paused      = null
        this.sliding     = null
        this.interval    = null
        this.$active     = null
        this.$items      = null
        this.options.keyboard && this.$element.on('keydown.bs.carousel', $.proxy(this.keydown, this))
        this.options.pause == 'hover' && !('ontouchstart' in document.documentElement) && this.$element
            .on('mouseenter.bs.carousel', $.proxy(this.pause, this))
            .on('mouseleave.bs.carousel', $.proxy(this.cycle, this))
    }
    Carousel.VERSION  = '3.3.4'
    Carousel.TRANSITION_DURATION = 600
    Carousel.DEFAULTS = {
        interval: 5000, pause: 'hover', wrap: true, keyboard: true
    }
    Carousel.prototype.keydown = function (e) {
        if (/input|textarea/i.test(e.target.tagName)) return
        switch (e.which) {
            case 37: this.prev(); break
            case 39: this.next(); break
            default: return
        }
        e.preventDefault()
    }
    Carousel.prototype.cycle = function (e) {
        e || (this.paused = false)
        this.interval && clearInterval(this.interval)
        this.options.interval
        && !this.paused
        && (this.interval = setInterval($.proxy(this.next, this), this.options.interval))
        return this
    }
    Carousel.prototype.getItemIndex = function (item) {
        this.$items = item.parent().children('.item')
        return this.$items.index(item || this.$active)
    }
    Carousel.prototype.getItemForDirection = function (direction, active) {
        var activeIndex = this.getItemIndex(active)
        var willWrap = (direction == 'prev' && activeIndex === 0)
            || (direction == 'next' && activeIndex == (this.$items.length - 1))
        if (willWrap && !this.options.wrap) return active
        var delta = direction == 'prev' ? -1 : 1
        var itemIndex = (activeIndex + delta) % this.$items.length
        return this.$items.eq(itemIndex)
    }
    Carousel.prototype.to = function (pos) {
        var that        = this
        var activeIndex = this.getItemIndex(this.$active = this.$element.find('.item.active'))
        if (pos > (this.$items.length - 1) || pos < 0) return
        if (this.sliding)       return this.$element.one('slid.bs.carousel', function () { that.to(pos) }) // yes, "slid"
        if (activeIndex == pos) return this.pause().cycle()
        return this.slide(pos > activeIndex ? 'next' : 'prev', this.$items.eq(pos))
    }
    Carousel.prototype.pause = function (e) {
        e || (this.paused = true)
        if (this.$element.find('.next, .prev').length && $.support.transition) {
            this.$element.trigger($.support.transition.end)
            this.cycle(true)
        }
        this.interval = clearInterval(this.interval)
        return this
    }
    Carousel.prototype.next = function () {
        if (this.sliding) return
        return this.slide('next')
    }
    Carousel.prototype.prev = function () {
        if (this.sliding) return
        return this.slide('prev')
    }
    Carousel.prototype.slide = function (type, next) {
        var $active   = this.$element.find('.item.active')
        var $next     = next || this.getItemForDirection(type, $active)
        var isCycling = this.interval
        var direction = type == 'next' ? 'left' : 'right'
        var that      = this
        if ($next.hasClass('active')) return (this.sliding = false)
        var relatedTarget = $next[0]
        var slideEvent = $.Event('slide.bs.carousel', {
            relatedTarget: relatedTarget,
            direction: direction
        })
        this.$element.trigger(slideEvent)
        if (slideEvent.isDefaultPrevented()) return
        this.sliding = true
        isCycling && this.pause()
        if (this.$indicators.length) {
            this.$indicators.find('.active').removeClass('active')
            var $nextIndicator = $(this.$indicators.children()[this.getItemIndex($next)])
            $nextIndicator && $nextIndicator.addClass('active')
        }
        var slidEvent = $.Event('slid.bs.carousel', { relatedTarget: relatedTarget, direction: direction }) // yes, "slid"
        if ($.support.transition && this.$element.hasClass('slide')) {
            $next.addClass(type)
            $next[0].offsetWidth // force reflow
            $active.addClass(direction)
            $next.addClass(direction)
            $active
                .one('bsTransitionEnd', function () {
                    $next.removeClass([type, direction].join(' ')).addClass('active')
                    $active.removeClass(['active', direction].join(' '))
                    that.sliding = false
                    setTimeout(function () {
                        that.$element.trigger(slidEvent)
                    }, 0)
                })
                .emulateTransitionEnd(Carousel.TRANSITION_DURATION)
        } else {
            $active.removeClass('active')
            $next.addClass('active')
            this.sliding = false
            this.$element.trigger(slidEvent)
        }
        isCycling && this.cycle()
        return this
    }
    function Plugin(option) {
        return this.each(function () {
            var $this   = $(this)
            var data    = $this.data('bs.carousel')
            var options = $.extend({}, Carousel.DEFAULTS, $this.data(), typeof option == 'object' && option)
            var action  = typeof option == 'string' ? option : options.slide

            if (!data) $this.data('bs.carousel', (data = new Carousel(this, options)))
            if (typeof option == 'number') data.to(option)
            else if (action) data[action]()
            else if (options.interval) data.pause().cycle()
        })
    }
    var old = $.fn.carousel
    $.fn.carousel             = Plugin
    $.fn.carousel.Constructor = Carousel
    $.fn.carousel.noConflict = function () {
        $.fn.carousel = old
        return this
    }
    var clickHandler = function (e) {
        var href
        var $this   = $(this)
        var $target = $($this.attr('data-target') || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) // strip for ie7
        if (!$target.hasClass('carousel')) return
        var options = $.extend({}, $target.data(), $this.data())
        var slideIndex = $this.attr('data-slide-to')
        if (slideIndex) options.interval = false
        Plugin.call($target, options)
        if (slideIndex) {
            $target.data('bs.carousel').to(slideIndex)
        }
        e.preventDefault()
    }
    $(document)
        .on('click.bs.carousel.data-api', '[data-slide]', clickHandler)
        .on('click.bs.carousel.data-api', '[data-slide-to]', clickHandler)
    $(window).on('load', function () {
        $('[data-ride="carousel"]').each(function () {
            var $carousel = $(this)
            Plugin.call($carousel, $carousel.data())
        })
    })
}(jQuery);